Small fan

Abstract

The utility model relates to a small -size fan, including air intake shell assembly, fan battery assembly, control panel and air outlet shell assembly. The fan battery assembly is located in the shell space that air intake shell assembly and air outlet shell assembly combination formed, and including fan battery support, fan and two polymer lithium batteries. The fan is arranged on the support, and two batteries are located at the two sides of fan respectively, and the control panel is arranged in front of the fan. The fan battery support is equipped with the center round hole, the vertical circular arc wall and the clamping sheet, and two batteries are stably clamped in the two sides of fan through the clamping sheet. The bottom of air intake shell assembly is equipped with the air intake and the air intake net, and the center of air outlet shell assembly is equipped with the air outlet. The utility model distributes the battery symmetrically in the two sides of fan through the compact layout, realizes the miniaturization of structure and the efficient use of space, and has good portability and user experience.

Description

Technical Field

[0001] This utility model relates to the field of personal portable electrical appliances, and in particular to a compact and easy-to-wear small fan. Background Technology

[0002] With increased outdoor activities, portable fans have become a common item for cooling off. Existing portable fans are mostly handheld or tabletop designs, which are inconvenient for freeing up your hands while moving. Some hanging fans often have unreasonable internal structural layouts, resulting in large size, unstable center of gravity, uncomfortable wearing, or small battery capacity and short battery life. Therefore, it is necessary to design a portable fan with a more optimized structure, more comfortable wearing, and longer battery life. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a small fan with reasonable layout, compact structure, comfortable wear and long battery life.

[0004] The present invention adopts the following technical solution: A small fan includes an air inlet housing assembly, a fan battery assembly, a control board, and an air outlet housing assembly. The fan battery assembly is located within the housing space formed by the air inlet and outlet housing assemblies, and includes a fan battery bracket, a fan, and two polymer lithium batteries. The fan is mounted on the fan battery bracket, with the two polymer lithium batteries located on either side of the fan. The control board is positioned in front of the fan. This layout makes the entire fan structure very compact and space-efficient, and the symmetrical arrangement of the two batteries balances the center of gravity, making it more stable when worn.

[0005] The wind turbine battery bracket includes a central circular hole, two arc-shaped walls perpendicular to the axis of the central circular hole, and snap-fit ​​tabs on both sides of the arc-shaped walls. Two polymer lithium batteries are secured together by adjacent snap-fit ​​tabs, ensuring a firm and reliable installation.

[0006] The air inlet housing assembly includes a lower housing with an air inlet at the center of the bottom of the lower housing and an air inlet mesh inside the air inlet. The air inlet mesh communicates with the central circular hole of the wind turbine battery bracket to form an air inlet channel.

[0007] The air outlet housing assembly includes an upper shell with an air outlet at its center. An air outlet connector is located inside the air outlet, which connects to the air outlet end of the fan to form an air outlet channel. A decorative air outlet piece surrounds the air outlet on the outer side of the upper shell, serving both aesthetic and protective purposes.

[0008] The front side of the air inlet housing assembly is equipped with a knob and a button, which are connected to the control panel and used to control the start and stop of the fan or adjust the wind speed.

[0009] The small fan has lanyard holes on both sides.

[0010] This utility model features a compact fan with a small overall structure, making it particularly suitable for use when hung around the neck, providing users with a convenient blowing experience in outdoor, commuting, and other scenarios. Attached Figure Description

[0011] Figure 1 This is a perspective view of an embodiment of the present utility model; Figure 2 This is an exploded view of the components of an embodiment of this utility model; Figure 3 This is an exploded view of the components of an embodiment of this utility model; Figure 4 This is a top view schematic diagram of the air outlet housing assembly according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the wind direction during the operation of an embodiment of this utility model. Detailed Implementation

[0012] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0013] like Figures 1 to 5 As shown, the small fan provided by this utility model mainly consists of four parts: an air inlet housing assembly 100, a fan battery assembly 200, a control board 300, and an air outlet housing assembly 400.

[0014] The wind turbine battery assembly 200 is the core component, comprising a wind turbine battery bracket 210, a wind turbine 220, and two polymer lithium batteries 230. The wind turbine 220 is fixed to the wind turbine battery bracket 210, and the two polymer lithium batteries 230 are located on the left and right sides of the wind turbine 220, respectively. Specifically, as... Figure 3 As shown, the wind turbine battery bracket 210 has a central circular hole 211 and two arc-shaped walls 212 perpendicular to the axis of this hole. On both sides of each arc-shaped wall 212, a snap-fit ​​tab 213 extends. The snap-fit ​​tab on one side of the first arc-shaped wall and the snap-fit ​​tab on the adjacent side of the second arc-shaped wall together snap-fit ​​one polymer lithium battery 230. The snap-fit ​​tab on the other side of the first arc-shaped wall and the snap-fit ​​tab on the other side of the second arc-shaped wall together snap-fit ​​another polymer lithium battery 230. By engaging the snap-fit ​​tab on one side of one arc-shaped wall with the snap-fit ​​tab on the adjacent side of the other arc-shaped wall, one polymer lithium battery 230 is securely fastened. The two batteries are thus firmly mounted on both sides of the wind turbine, forming a symmetrical and compact layout.

[0015] The air inlet housing assembly 100 includes a lower housing 110, with an air inlet 111 at the center of its bottom and an air inlet mesh 120 installed on its inner side. A knob 112 for adjusting the fan speed and a start / stop button 112 are located on the front of the lower housing 110 for user operation. A control panel 300 is located in front of the fan 220 and is connected to the knob 112 and button 113 on the lower housing, receiving user commands.

[0016] The air outlet housing assembly 400 includes an upper housing 410, with an air outlet 411 at its center and an air outlet connector 412 on its inner side for connecting to the air outlet end of the fan 220. An air outlet decorative piece 413 is also installed on the outer side of the upper housing 410, surrounding the air outlet 411.

[0017] During assembly, the fan battery assembly 200 and control board 300 are placed between the air inlet housing assembly 100 and the air outlet housing assembly 400, and the upper and lower housings are locked together using screws or clips to form a complete fan body with a compact internal structure. The fan housing has lanyard holes K on both sides for attaching lanyards.

[0018] When in use, the user can hang the fan around their neck using the included lanyard (not shown in the figure). After the fan 220 is turned on, air enters from the air inlet 111 of the lower housing 110, is filtered by the air inlet mesh 120, is drawn in and accelerated by the fan 220 through the central circular hole 211 of the fan battery bracket 210, and finally blown out from the air outlet 411 of the upper housing 410 to deliver air to the user.

[0019] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A small fan, characterized in that, The device includes an air inlet housing assembly (100), a fan battery assembly (200), a control board (300), and an air outlet housing assembly (400). The fan battery assembly (200) is disposed within the housing space formed by the air inlet housing assembly (100) and the air outlet housing assembly (400). The control board (300) is disposed in front of the fan battery assembly (200). The fan battery assembly (200) includes a fan battery bracket (210), a fan (220), and two polymer lithium batteries (230). The fan (220) is disposed on the fan battery bracket (210), and the two polymer lithium batteries (230) are respectively located on the left and right sides of the fan (220).

2. The small fan according to claim 1, characterized in that, The wind turbine battery bracket (210) includes a central circular hole (211), two arc-shaped walls (212) perpendicular to the axis of the central circular hole (211), and a plurality of snap-fit ​​pieces (213) disposed on both sides of the two arc-shaped walls (212); the snap-fit ​​piece on one side of the first arc-shaped wall and the snap-fit ​​piece on the adjacent side of the second arc-shaped wall jointly snap-fit ​​one polymer lithium battery (230), and the snap-fit ​​piece on the other side of the first arc-shaped wall and the snap-fit ​​piece on the other side of the second arc-shaped wall jointly snap-fit ​​another polymer lithium battery (230).

3. The small fan according to claim 2, characterized in that, The air inlet housing assembly (100) includes a lower housing (110), with an air inlet (111) at the bottom center of the lower housing (110), and an air inlet mesh (120) on the inner side of the air inlet (111), which communicates with the central circular hole (211) of the wind turbine battery bracket (210).

4. The small fan according to claim 3, characterized in that, The air outlet housing assembly (400) includes an upper housing (410), an air outlet (411) is provided at the center of the upper housing (410), an air outlet connector (412) is provided on the inner side of the air outlet (411), and the air outlet connector (412) is connected to the air outlet end of the fan (220).

5. The small fan according to claim 4, characterized in that, The outer side of the upper shell (410) is provided with an air outlet decorative piece (413) surrounding the air outlet (411).

6. The small fan according to any one of claims 1 to 5, characterized in that, The front side of the air inlet housing assembly (100) is provided with a knob and a button, which are connected to the control board (300) and are used to control the start / stop or wind speed of the fan (220).

7. The small fan according to any one of claims 1 to 5, characterized in that, The small fan has lanyard holes on both sides.

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